“So, gentlemen,” said he, “you have attained your end and have certainly chosen a particularly delicate moment for your intrusion. I would not brawl in the presence of death, but I can assure you that if I were a younger man your monstrous conduct would not pass with impunity.”

“Excuse me, Dr. Armstrong, I think we are a little at cross-purposes,” said my friend, with dignity. “If you could step downstairs with us, we may each be able to give some light to the other upon this miserable affair.”

A minute later, the grim doctor and ourselves were in the sitting-room below.

“Well, sir?” said he.